All eyes are on Ohio as polls open in the battleground state, but Kentucky and Indiana voters have important decisions to make as well.

Ohio election sites opened their doors at 6:30 a.m. Tuesday after more than a month of early voting.

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"Pretty long today. It was longer than -- we voted here for at least two or three elections, and this was the longest line," Amy Laughead said.

At least two Hamilton County polling stations opened late.

The Hamilton County Board of Elections said a janitor arrived late to open a polling place in Evanston, meaning voting there didn't start until 7:30 a.m.

Polls stay open until 7:30 p.m., bringing an end to the intense presidential campaign for Ohio's 18 electoral votes.

Ohio's critical role in deciding the race between President Barack Obama and Republican challenger Mitt Romney has been underscored by dozens of visits from the candidates and their surrogates, and a constant barrage of TV ads in recent weeks. The race in Ohio is seen as too close to call.

Ohio also had one of most hotly contested and expensive U.S. Senate campaigns, with Republican state Treasurer Josh Mandel trying to unseat first-term Democratic incumbent Sherrod Brown.

Indiana polls opened at 6 a.m. in 80 of Indiana's 92 counties. Voting sites open an hour later in 12 counties in northwestern and southwestern Indiana that are on Central Standard Time.

Polls will close at 6 p.m. Voters there will decide on a governor and a U.S. senator.

Pence voted Tuesday morning at a fire station in the Bartholomew County town of Clifford about 25 miles south of Indianapolis. He says he's feeling "very encouraged and hopeful" about his prospects of becoming Indiana's next governor.

The Indiana congressman says he ran the type of campaign he'd hoped to run, calling it a "positive campaign that was about the future."

Pence's 18-year-old daughter cast her first vote Tuesday. Pence joked that he feels "pretty good" about his chances of getting her vote.

In Kentucky, Secretary of State Alison Lundergan Grimes has predicted a record number of voters will cast their ballots.

Besides the presidential race, Kentucky has a competitive congressional race in central Kentucky. Voters also will choose state legislators and decide whether hunting and fishing should be a constitutional right in the state. Voters in eastern Kentucky will choose a Supreme Court justice.